यदि \(A=\{1,2,3,4\}\) और \(R=\{(x,y):x=y-1\}\), जहां \(x,y\in A\), तो कौन-सा युग्म (R) में है?
If \(A=\{1,2,3,4\}\) and \(R=\{(x,y):x=y-1\}\), where \(x,y\in A\), which pair is in (R)?
Explanation opens after your attempt
Correct Answer
A. ((1,2))
Concept
In ((1,2)), (1=2-1) is true. Substitute the components correctly for (x) and (y).
Why this answer is correct
The correct answer is A. ((1,2)). In ((1,2)), (1=2-1) is true. Substitute the components correctly for (x) and (y).
Exam Tip
((1,2)) में (1=2-1) सत्य है। शर्त में (x) और (y) की जगह सही अवयव रखें।
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